noun
    
    plural -los
    
    [count] a piece of music that is performed by one singer or musician
    
    
    
    
    
    something that is done without another person
    
    
    
    adjective
    
    always used before a noun
    
    done without another person
    
    
    
    involving or done by a single performer instead of a group
    
    
    
    
    
    
    
    
    
    baseball :hit with no runners on base
    
    
    
    verb
    
    -los; -loed; -loing
    
    [no obj]
    
    to perform a piece of music without another singer or musician
    
    
    
    to fly an airplane without an instructor